Home / 395,280.33-546,406.19-352,682.02

Finding the Fourth Proportional to 395,280.33, 546,406.19 and 352,682.02

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Solution

The fourth proportional to 395,280.33, 546,406.19 and 352,682.02 is: 487,521.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,280.33 : 546,406.19 = 352,682.02 : x
  2. Step 2: Convert to fraction form
    395,280.33/546,406.19 = 352,682.02/x
  3. Step 3: Cross multiply
    395,280.33x = 546,406.19 × 352,682.02
  4. Step 4: Simplify right side
    395,280.33x = 192,707,638,829.70
  5. Step 5: Solve for x
    x = 192,707,638,829.70/395,280.33
  6. Step 6: Final answer
    x = 487,521.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.